Pentax K-3 II vs Sony A6400

Below, we are comparing the Pentax K-3 II vs Sony A6400, former is a Advanced DSLR while the other is a Advanced Mirrorless by rivals Pentax and Sony. The sensor resolution of the K-3 II (24MP) and the A6400 (24MP) is very well matched and they use the exact same sensor sizing (APS-C).

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The K-3 II was launched 4 years prior to the A6400 which is quite a serious difference as far as tech is concerned. Each of the cameras come with different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before diving in to a detailed comparison, below is a brief view of how the K-3 II matches up against the A6400 with respect to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Pentax K-3 II & Sony Alpha a6400. The complete galleries are available at Pentax K-3 II Gallery & Sony A6400 Gallery.

For anyone who is going to carry around your camera regularly, you are going to need to take into account its weight and measurements. The Pentax K-3 II has got outside dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) while the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") along with a weight of 403 grams (0.89 lbs).

Take a look at the Pentax K-3 II vs Sony A6400 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you are employing at that time. The following is the front view measurements comparison of the K-3 II compared to the A6400.

Looking at size and weight, the portability grade of the K-3 II and A6400 is 59 and 83 respectively.

Usually, it's tough to visualize the contrast between sensor sizes only by reading through specs. The picture underneath might provide you a far better sense of the sensor dimensions in the K-3 II and A6400.

All in all, both of these cameras posses the exact same sensor measurements and the same exact MP so you can expect similar quality of pictures though you should take the age of the products into consideration. The more aged K-3 II is going to be behind with regard to sensor tech.